# 基本作图,做出2个子图
set terminal png
set output 'example5.png'
set autoscale
unset key
#set datafile missing "NA"
set xr [-300:13000]
set size 1,0.5
set multiplot
set origin 0.0,0.5
plot 'fun.txt' using 1:($2) with points pt 13 ps 0.17 lt rgb 'gray',\
       'fun.txt' using 1:($3) with lines lt rgb 'blue'
set origin 0.0,0.0
set yr [-10:10]
set title ''
plot 'fun.txt' using 1:($4) with lines lt rgb 'gray',\
       'fun.txt' using 1:($5) with lines lt rgb 'blue'
unset multiplot
